Psych Statistics - Practice - M5 Test
Questions and Answers.
A psychology professor conducts a small study to see if humor in text would affect students'
memory for the sentences in the text. She had two groups of students read a large set of
sentences, one group read humorous sentences while the other group read similar sentences
without obvious humor in them. After the reading phase, both groups were tested for their
memory of the sentences read.
Identify the dependent variable and the independent variable in this research topic. - Answer
DV- Memory of sentences; IV- Presence/absence of humor
Suppose that the psychology professor predicts that humor will enhance memory for sentences
and she would like to conduct a one-tailed hypothesis test to answer the research question.
What would be the null hypothesis to be tested? - Answer Memory for sentences is not
significantly enhanced by the presence of humor in the sentences.
The number of sentences remembered by the two groups of students are recorded below.
Calculate the mean score for Group 1.
Group 1: Humor Group 2: No humor
66
53
45
43
63
74
62
66
34
53
44
34
55
32
76
Questions and Answers.
A psychology professor conducts a small study to see if humor in text would affect students'
memory for the sentences in the text. She had two groups of students read a large set of
sentences, one group read humorous sentences while the other group read similar sentences
without obvious humor in them. After the reading phase, both groups were tested for their
memory of the sentences read.
Identify the dependent variable and the independent variable in this research topic. - Answer
DV- Memory of sentences; IV- Presence/absence of humor
Suppose that the psychology professor predicts that humor will enhance memory for sentences
and she would like to conduct a one-tailed hypothesis test to answer the research question.
What would be the null hypothesis to be tested? - Answer Memory for sentences is not
significantly enhanced by the presence of humor in the sentences.
The number of sentences remembered by the two groups of students are recorded below.
Calculate the mean score for Group 1.
Group 1: Humor Group 2: No humor
66
53
45
43
63
74
62
66
34
53
44
34
55
32
76
